42105230402054 has 8 divisors (see below), whose sum is σ = 63957312003360. Its totient is φ = 20786126400936.

The previous prime is 42105230402051. The next prime is 42105230402083. The reversal of 42105230402054 is 45020403250124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42105230402054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42105230402051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133244399849 + ... + 133244400164.

It is an arithmetic number, because the mean of its divisors is an integer number (7994664000420).

Almost surely, 2^{42105230402054} is an apocalyptic number.

42105230402054 is a deficient number, since it is larger than the sum of its proper divisors (21852081601306).

42105230402054 is a wasteful number, since it uses less digits than its factorization.

42105230402054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266488800094.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 42105230402054 its reverse (45020403250124), we get a palindrome (87125633652178).

The spelling of 42105230402054 in words is "forty-two trillion, one hundred five billion, two hundred thirty million, four hundred two thousand, fifty-four".